<template>
  <div class="shopcar-container">

    <div class="goods-list">

      <div class="mui-card" v-for="item in goodslist" :key="item.id">
        <div class="mui-card-content">
          <div class="mui-card-content-inner goods-item">
            <!-- 开关 -->
            <mt-switch v-model="seletedObj[item.id]" @change="changeSelect(item.id,seletedObj[item.id] )"></mt-switch>
            <!-- 图片 -->
            <img :src="item.thumb_path" alt="">
            <!-- 信息区域 -->
            <div class="info">
              <h1>{{ item.title }}</h1>
              <div class="goods-info">
                <span class="price">￥{{ item.sell_price }}</span>
                <!-- countObj[item.id] 表示这条商品对应的数量 -->
                <nobox :initcount="countObj[item.id]" :id="item.id"></nobox>
                <a href="#" @click.prevent="del(item.id)">删除</a>
              </div>
            </div>
          </div>
        </div>
      </div>

      <!-- 结算区域 -->
      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner jiesuan">
            <div class="left">
              <p>总计（不含运费）</p>
              <p>
                已勾选商品<span class="danger">{{ selectedcount }}</span>件，总价<span class="danger">￥{{ amount }}</span>
              </p>
            </div>
            <mt-button type="danger">去结算</mt-button>
          </div>
        </div>
      </div>

      {{ JSON.stringify(seletedObj) }}

    </div>

  </div>
</template>

<script>
  import { mapGetters, mapMutations } from "vuex";
  import nobox from "../sub-components/shopcar_nobox.vue";

  export default {
    data() {
      return {
        goodslist: [] // 商品列表
      };
    },
    created() {
      this.getGoodsList();
    },
    methods: {
      ...mapMutations(["delFromCart", "changeSelectState"]),
      async getGoodsList() {
        if (this.idstr.length <= 0) return;
        const { data } = await this.$http.get(
                "/api/goods/getshopcarlist/" + this.idstr
        );
        if (data.status === 0) return (this.goodslist = data.message);
      },
      del(id) {
        // 删除商品
        // console.log(id);
        // 从界面上删除数据
        this.goodslist.some((item, i) => {
          if (item.id == id) {
            this.goodslist.splice(i, 1);
            return true;
          }
        });
        // 从 vuex 中删除数据
        this.delFromCart(id);
      },
      changeSelect(id, select) {
        // 更改开关的状态
        // console.log(id + "---" + select);
        this.changeSelectState({ id, selected: select });
      }
    },
    computed: {
      ...mapGetters([
        "idstr",
        "countObj",
        "seletedObj",
        "selectedcount",
        "amount"
      ])
    },
    components: {
      nobox
    }
  };
</script>

<style lang="scss" scoped>
  .shopcar-container {
    background-color: #eee;
    overflow: hidden;

    .goods-item {
      display: flex;
      img {
        width: 60px;
        height: 60px;
      }
      h1 {
        font-size: 13px;
      }
      .info {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        .goods-info {
          display: flex;
          justify-content: space-between;
          align-items: center;
          .price {
            color: red;
            font-weight: bold;
            font-size: 16px;
          }
        }
      }
    }
  }

  .danger {
    color: red;
    font-weight: bold;
    font-size: 16px;
  }

  .jiesuan {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
</style>
